Telegram Bot for DISCO_L475VG_IOT01¶

This application embeds aTelegram chatbot into the DISCO_L475VG_IOT01 board.

The Bot answers to the users queries about:

• Real time environmental data taken from the on board sensors.
• Environmental data history of the latest 24 hours stored on board.
• Camera images taken from the Arducam-mini-2mp (optional).

This software uses:

• A modified version of the wifi library provided by ST in order to enable the TCP-SSL connection.
• An open source json parser jsmn (https://github.com/zserge/jsmn).
• A web service (http://now.http.org) to initialize the RTC.
• A web service (https://image-charts.com) to publish temperature,humidity and pressure charts.
• A modified version of the Arducam driver (https://os.mbed.com/users/dflet/)

Compilation¶

Import in your compiler and modify the following defines:

• WIFI_SSID
• WIFI_PASSWORD
• TELEGRAM_BOT_APIKEY

Please follow the Telegram bots documentation (https://core.telegram.org/bots) to better understand how the Telegram API works and how to create your bot.

In order to support the Arducam-Mini-2MP set WITH_ARDUCAM_2640 #define to 1.

Screenshots¶

Security¶

The Inventek wifi module creates the ssl connection but does not authenticate the server's certificate ( AT cmd P9=0 ).

For more details http://www.inventeksys.com/IWIN/programming-certificates-tcp-ssltls/